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Brush Mountain (Blair County, Pennsylvania)
Brush Mountain is a stratigraphic ridge in the Appalachian Mountains of central Pennsylvania, United States, lying east of the Allegheny Front and west of Tussey Mountain. It runs along the southeast side of the Little Juniata River and forms a horseshoe around Sinking Run, and is the westernmost ridge in its section of the Ridge-and-valley Appalachians. The western ridge line separates the Logan Valley from the Sinking Valley. Brush Mountain lies entirely in Blair County. It runs from the water gap formed with Bald Eagle Mountain by the Little Juniata River at Tyrone, south to the Sinking Valley anticline fold near Altoona then turns northeast to the Canoe Valley syncline fold, where the ridge becomes Canoe Mountain. The total length of Brush Mountain is approximately . No major roads or rivers cross the ridge or run through gaps. Kettle Reservoir collects surface runoff from a small area in the fold, and the dam was made by filling in a small ravine. Kettle Road, a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Altoona, Pennsylvania
Altoona ( ) is a city in Blair County, Pennsylvania, United States. The population was 43,963 at the time of the 2020 United States census, 2020 census. It is the principal city of the Altoona Metropolitan statistical area, metropolitan area, which includes all of Blair County and was recorded as having a population of 122,823. Altoona was established in 1849 by the Pennsylvania Railroad. Having grown around the railroad industry, the city has worked to recover from Deindustrialization, industrial decline and Urban sprawl, urban decentralization experienced in recent decades. The city is home to the Altoona Curve baseball team of the Eastern League (1938–present), Eastern League, which is the AA affiliate of the Pittsburgh Pirates Major League Baseball team. They play at Peoples Natural Gas Field in Altoona. The Altoona Symphony Orchestra has called Altoona home since 1928. Prominent landmarks include the Horseshoe Curve (Pennsylvania), Horseshoe Curve, the Railroaders Mem ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Water Gap
A water gap is a gap that flowing water has carved through a mountain range or mountain ridge and that still carries water today. Such gaps that no longer carry water currents are called wind gaps. Water gaps and wind gaps often offer a practical route for road and rail transport to cross the mountain barrier. Geology A water gap is usually an indication of a river that is older than the current topography. The likely occurrence is that a river established its course when the landform was at a low elevation, or by a rift in a portion of the crust of the earth having a very low stream gradient and a thick layer of unconsolidated sediment. In a hypothetical example, a river would have established its channel without regard for the deeper layers of rock. A later period of uplift would cause increased erosion along the riverbed, exposing the underlying rock layers. As the uplift continued, the river, being large enough, would continue to erode the rising land, cutting thr ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pennsylvania State Game Lands Number 166
The Pennsylvania State Game Lands Number 166 are Pennsylvania State Game Lands in Blair and Huntingdon Counties in Pennsylvania in the United States providing hunting, trapping, bird watching, and other activities.Pennsylvania State Game Lands Number 166 retrieved 14 November 2018https://viewer.nationalmap.gov/advanced-viewer/ The National Map, retrieved 14 November 2018 Geography Pennsylvania State Game Lands Number 166 is located on Brush Mountain and Canoe Mountain in[...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pennsylvania State Game Lands
The Pennsylvania State Game Lands (SGL) are lands managed by the Pennsylvania Game Commission (PGC) for hunting, trapping, and fishing. These lands, often not usable for farming or development, are donated to the PGC or purchased by the PGC with hunting license money. The Pennsylvania Game Commission runs a monthly publication called the ''Pennsylvania Game News''. This publication features financial and legislative updates from the PGC, stories, and monthly Field Notes submitted by the Wildlife Conservation Officers of the Pennsylvania Game Commission. History Wild game animals have been hunted for thousands of years in what is now Pennsylvania, first by the Indigenous peoples of the Americas, later by Europeans. By 1890 game had practically disappeared from Pennsylvania. That year, John M. Phillips and other sportsmen, recognizing the scarcity of game, formed the Pennsylvania Sportsmen's Association so that they could press the state government for protection of wildlife. Thi ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dunning Mountain
Dunning Mountain is a stratigraphic ridge in central Pennsylvania, United States. The mountain's north end is at McKee Gap, which separates it from Short Mountain, and where Halter Creek flows westward towards the Frankstown Branch of the Juniata River. The south end of the mountain is contiguous with Evitts Mountain, but is marked by a sharp bend to the east. The valley formed by the bend is known as "The Kettle," and the broad valley to the east of Dunning Mountain is called Morrisons Cove. The town of Roaring Spring is located at the north end of the mountain on the east side.https://viewer.nationalmap.gov/advanced-viewer/ The National Map, retrieved 13 November 2018Pennsylvania State Game Lands Number 147 retrieved 14 November 2018 [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Tennessee
Tennessee (, ), officially the State of Tennessee, is a landlocked U.S. state, state in the Southeastern United States, Southeastern region of the United States. It borders Kentucky to the north, Virginia to the northeast, North Carolina to the east, Georgia (U.S. state), Georgia, Alabama, and Mississippi to the south, Arkansas to the southwest, and Missouri to the northwest. Tennessee is the List of U.S. states and territories by area, 36th-largest by area and the List of U.S. states and territories by population, 15th-most populous of the 50 states. According to the United States Census Bureau, the state's estimated population as of 2024 is 7.22 million. Tennessee is geographically, culturally, and legally divided into three Grand Divisions of Tennessee, Grand Divisions of East Tennessee, East, Middle Tennessee, Middle, and West Tennessee. Nashville, Tennessee, Nashville is the state's capital and largest city, and anchors its largest metropolitan area. Tennessee has dive ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ridge Soaring
__NOTOC__ Ridge lift (or slope lift) is created when a wind strikes an obstacle, usually a mountain ridge or cliff, that is large and steep enough to deflect the wind upward. If the wind is strong enough, the ridge lift provides enough upward force for gliders, hang gliders, paragliders and birds to stay airborne for long periods or travel great distances by 'Ridge soaring'. Although unpowered aircraft are usually descending through the air, they will climb if the surrounding air is rising faster than their sink rates. Model glider enthusiasts refer to this technique as "slope gliding" or "sloping". Orville Wright used ridge lift, setting a duration record of 11 minutes in 1911. However the sport of soaring started in Germany after the First World War. In 1921, Dr. Wolfgang Klemperer broke the Wright Brothers’ 1911 soaring duration record with a flight of 13 minutes. In 1922, Arthur Martens became the first glider pilot to use an updraft rising along a mountain slope to ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Glider (sailplane)
A glider or sailplane is a type of glider aircraft used in the leisure activity and sport of gliding (also called soaring). This unpowered aircraft can use naturally occurring currents of rising air in the atmosphere to gain altitude. Sailplanes are aerodynamically streamlined and so can fly a significant distance forward for a small decrease in altitude. In North America the term 'sailplane' is also used to describe this type of aircraft. In other parts of the English-speaking world, the word 'glider' is more common. Types Gliders benefit from producing very low drag for any given amount of lift, and this is best achieved with long, thin wings, a slender fuselage and smooth surfaces with an absence of protuberances. Aircraft with these features are able to soar – climb efficiently in rising air produced by thermals or hills. In still air, sailplanes can glide long distances at high speed with a minimum loss of height in between. Sailplanes have rigid wings and either ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Soaring Bird
This is a list of soaring birds, which are birds that can maintain flight without wing flapping, using rising air currents. Many gliding birds are able to "lock" their extended wings by means of a specialized tendon. ;Bird of prey * Buzzards * Condors * Eagles * Falcons * Harriers * Hawks * Kites * Osprey * Secretary bird * Vultures ;Passerine * Choughs *Raven *Woodswallows ; Cranes *Sandhill ;Herons ;Storks ;Sea birds * Albatrosses * Frigatebirds * Gulls * Pelicans * Petrels * Shearwaters * Terns ;Extinct * Argentavis See also *Flying and gliding animals *Shearwaters which use a similar technique References''Soaring''at Stanford Birds hosted by Stanford University and based on ''The Birder's Handbook'' by Paul R. Ehrlich, David S. Dobkin, and Darryl Wheye''MTB Naturalist - our East Bay Soaring Birds''by Duncan Parks''Birds, Thermals & Soaring Flight''at aerospaceweb.org by Jeff Scott, 4 December 2005 {{DEFAULTSORT:Soaring birds Lists of birds Birds B ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Surface Runoff
Surface runoff (also known as overland flow or terrestrial runoff) is the unconfined flow of water over the ground surface, in contrast to ''channel runoff'' (or ''stream flow''). It occurs when excess rainwater, stormwater, meltwater, or other sources, can no longer sufficiently rapidly infiltrate in the soil. This can occur when the soil is #Saturation excess overland flow, saturated by water to its full capacity, and the rain arrives #Infiltration excess overland flow, more quickly than the soil can absorb it. Surface runoff often occurs because wikt:impervious#Adjective, impervious areas (such as roofs and Road surface, pavement) do not allow water to soak into the ground. Furthermore, runoff can occur either through natural or human-made processes. Surface runoff is a major component of the water cycle. It is the primary agent of Soil erosion#Rainfall and runoff, soil erosion by water. The land area producing runoff that drains to a common point is called a drainage basin. ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Canoe Mountain
Canoe Mountain is a stratigraphic ridge in central Pennsylvania, United States, running east of the Allegheny Front and west of Tussey Mountain. It forms a continuous ridge with Brush Mountain to the west. To the south, across the water gap formed by the Frankstown Branch Juniata River, the ridgeline continues as Lock Mountain. The northern part of Canoe Mountain forms the border between Blair County and Huntingdon County. Pennsylvania State Game Lands Number 166 lies on Brush Mountain south of Sinking Hollow and on Canoe Mountain and the valley between.Pennsylvania State Game Lands Number 166 retrieved 14 November 2018 Geology Canoe Mountain is in the western part of the |
Syncline
In structural geology, a syncline is a fold with younger layers closer to the center of the structure, whereas an anticline is the inverse of a syncline. A synclinorium (plural synclinoriums or synclinoria) is a large syncline with superimposed smaller folds. Synclines are typically a downward fold (synform), termed a synformal syncline (i.e. a trough), but synclines that point upwards can be found when strata have been overturned and folded (an antiformal syncline). Characteristics On a geologic map, synclines are recognized as a sequence of rock layers, with the youngest at the fold's center or ''hinge'' and with a reverse sequence of the same rock layers on the opposite side of the hinge. If the fold pattern is circular or elongate, the structure is a basin. Folds typically form during crustal deformation as the result of compression that accompanies orogenic mountain building. Notable examples * Powder River Basin, Wyoming, US * Sideling Hill roadcut along Inters ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
